frequency of all the alloy powder samples ( Figure 8 c,d) showed a decreasing trend as the frequency increased, which conformed to the law of Snoek’s limit [ 30 ].
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Effect of Reduced Graphene Oxide on Microwave Absorbing Properties of Al<sub>1.5</sub>Co<sub>4</sub>Fe<sub>2</sub>Cr High-Entropy Alloys.
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Notably, the curves of tan δ ε and ε” followed a similar trend, and tan δ μ had an increasing trend between 6 and 15 GHz, indicative of the strong magnetic loss capability at high frequencies.